Home / 206,817,056.28-310,191,992.10-97,642,016.28

Finding the Fourth Proportional to 206,817,056.28, 310,191,992.10 and 97,642,016.28

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Solution

The fourth proportional to 206,817,056.28, 310,191,992.10 and 97,642,016.28 is: 146,447,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,817,056.28 : 310,191,992.10 = 97,642,016.28 : x
  2. Step 2: Convert to fraction form
    206,817,056.28/310,191,992.10 = 97,642,016.28/x
  3. Step 3: Cross multiply
    206,817,056.28x = 310,191,992.10 × 97,642,016.28
  4. Step 4: Simplify right side
    206,817,056.28x = 30,287,771,542,553,836
  5. Step 5: Solve for x
    x = 30,287,771,542,553,836/206,817,056.28
  6. Step 6: Final answer
    x = 146,447,164.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.